WTB: Good Quality Fujinon-SF 180/5.6

Hello,

I'm looking for a Good Quality Fujinon-SF 180/5.6. I have the 250 SF on my 8x10 and I love it in macro. Want to try it in 4x5 with a shorter FL. The presence of the yellow or red salad strainer under the front cell would be desireable.